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From: Nicolas Devillers <devillers.nicolas@gmail.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Dell Inspiron 15R 5521] Can't toggle backlight brightness
Date: Thu, 10 Oct 2013 11:48:32 +0200	[thread overview]
Message-ID: <525677F0.7010102@gmail.com> (raw)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

This mail is a follow-up of
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1225811

- - Summary of the problem:

[Dell Inspiron 15R 5521] (using i915 drv) Can't toggle backlight brightness

- - Full description of the problem/report:

Since Ubuntu Raring at least, it is not possible to setup backlight
brightness without adding acpi_backlight=vendor into grub boot option.

- - Kernel version:

Linux version 3.12.0-031200rc3-generic

- - Environment

Description:    Ubuntu Saucy Salamander (development branch)
Release:    13.10

- -  Module information (from /proc/modules):

ebtable_broute 12731 0 - Live 0x0000000000000000 (F)
bridge 110502 1 ebtable_broute, Live 0x0000000000000000 (F)
stp 12976 1 bridge, Live 0x0000000000000000 (F)
llc 14552 2 bridge,stp, Live 0x0000000000000000 (F)
ebtable_nat 12807 0 - Live 0x0000000000000000 (F)
ebtable_filter 12827 0 - Live 0x0000000000000000 (F)
ebtables 30884 3 ebtable_broute,ebtable_nat,ebtable_filter, Live
0x0000000000000000 (F)
r8169 67341 0 - Live 0x0000000000000000
mii 13934 1 r8169, Live 0x0000000000000000 (F)
pci_stub 12622 1 - Live 0x0000000000000000
vboxpci 23194 0 - Live 0x0000000000000000 (OF)
vboxnetadp 25670 0 - Live 0x0000000000000000 (OF)
vboxnetflt 27613 0 - Live 0x0000000000000000 (OF)
vboxdrv 320455 3 vboxpci,vboxnetadp,vboxnetflt, Live 0x0000000000000000 (OF)
nfnetlink_queue 18117 0 - Live 0x0000000000000000 (F)
nfnetlink_log 17908 0 - Live 0x0000000000000000 (F)
nfnetlink 14606 2 nfnetlink_queue,nfnetlink_log, Live 0x0000000000000000 (F)
xt_tcpudp 12884 0 - Live 0x0000000000000000 (F)
nf_conntrack_ipv4 15012 0 - Live 0x0000000000000000 (F)
nf_defrag_ipv4 12729 1 nf_conntrack_ipv4, Live 0x0000000000000000 (F)
xt_conntrack 12760 0 - Live 0x0000000000000000 (F)
nf_conntrack 91736 2 nf_conntrack_ipv4,xt_conntrack, Live
0x0000000000000000 (F)
ip_tables 27239 0 - Live 0x0000000000000000 (F)
x_tables 34059 4 ebtables,xt_tcpudp,xt_conntrack,ip_tables, Live
0x0000000000000000 (F)
parport_pc 32701 0 - Live 0x0000000000000000 (F)
ppdev 17671 0 - Live 0x0000000000000000 (F)
bnep 19564 2 - Live 0x0000000000000000
rfcomm 69070 12 - Live 0x0000000000000000
binfmt_misc 17468 1 - Live 0x0000000000000000 (F)
nfsd 279192 2 - Live 0x0000000000000000 (F)
auth_rpcgss 54489 1 nfsd, Live 0x0000000000000000 (F)
nfs_acl 12837 1 nfsd, Live 0x0000000000000000 (F)
nfs 180519 0 - Live 0x0000000000000000 (F)
lockd 93583 2 nfsd,nfs, Live 0x0000000000000000 (F)
sunrpc 271025 6 nfsd,auth_rpcgss,nfs_acl,nfs,lockd, Live
0x0000000000000000 (F)
fscache 58475 1 nfs, Live 0x0000000000000000 (F)
dm_crypt 22728 1 - Live 0x0000000000000000 (F)
nls_iso8859_1 12713 1 - Live 0x0000000000000000 (F)
x86_pkg_temp_thermal 14162 0 - Live 0x0000000000000000
intel_powerclamp 14705 0 - Live 0x0000000000000000
kvm_intel 138538 0 - Live 0x0000000000000000 (F)
kvm 431315 1 kvm_intel, Live 0x0000000000000000 (F)
crct10dif_pclmul 14289 0 - Live 0x0000000000000000 (F)
crc32_pclmul 13113 0 - Live 0x0000000000000000 (F)
ghash_clmulni_intel 13259 0 - Live 0x0000000000000000 (F)
aesni_intel 55624 5816 - Live 0x0000000000000000 (F)
aes_x86_64 17131 1 aesni_intel, Live 0x0000000000000000 (F)
lrw 13257 1 aesni_intel, Live 0x0000000000000000 (F)
gf128mul 14951 1 lrw, Live 0x0000000000000000 (F)
glue_helper 13990 1 aesni_intel, Live 0x0000000000000000 (F)
ablk_helper 13597 1 aesni_intel, Live 0x0000000000000000 (F)
cryptd 20329 2909 ghash_clmulni_intel,aesni_intel,ablk_helper, Live
0x0000000000000000 (F)
dell_wmi 12761 0 - Live 0x0000000000000000
sparse_keymap 13948 1 dell_wmi, Live 0x0000000000000000
dell_laptop 17369 0 - Live 0x0000000000000000
dcdbas 14847 1 dell_laptop, Live 0x0000000000000000
rts5139 331166 0 - Live 0x0000000000000000 (C)
uvcvideo 80885 0 - Live 0x0000000000000000
videobuf2_vmalloc 13216 1 uvcvideo, Live 0x0000000000000000
videobuf2_memops 13362 1 videobuf2_vmalloc, Live 0x0000000000000000
videobuf2_core 40469 1 uvcvideo, Live 0x0000000000000000
videodev 133390 2 uvcvideo,videobuf2_core, Live 0x0000000000000000
joydev 17377 0 - Live 0x0000000000000000 (F)
arc4 12608 2 - Live 0x0000000000000000 (F)
iwldvm 237440 0 - Live 0x0000000000000000
mac80211 596969 1 iwldvm, Live 0x0000000000000000
btusb 28267 0 - Live 0x0000000000000000
snd_hda_codec_hdmi 41276 1 - Live 0x0000000000000000
snd_hda_codec_realtek 51465 1 - Live 0x0000000000000000
snd_hda_intel 48171 5 - Live 0x0000000000000000
bluetooth 371874 22 bnep,rfcomm,btusb, Live 0x0000000000000000
snd_hda_codec 188738 3
snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel, Live
0x0000000000000000
snd_hwdep 13602 1 snd_hda_codec, Live 0x0000000000000000 (F)
snd_pcm 102033 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec, Live
0x0000000000000000 (F)
snd_page_alloc 18710 2 snd_hda_intel,snd_pcm, Live 0x0000000000000000 (F)
snd_seq_midi 13324 0 - Live 0x0000000000000000 (F)
snd_seq_midi_event 14899 1 snd_seq_midi, Live 0x0000000000000000 (F)
snd_rawmidi 30095 1 snd_seq_midi, Live 0x0000000000000000 (F)
snd_seq 61560 2 snd_seq_midi,snd_seq_midi_event, Live 0x0000000000000000 (F)
snd_seq_device 14497 3 snd_seq_midi,snd_rawmidi,snd_seq, Live
0x0000000000000000 (F)
snd_timer 29433 2 snd_pcm,snd_seq, Live 0x0000000000000000 (F)
snd 69141 20
snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_seq_midi,snd_rawmidi,snd_seq,snd_seq_device,snd_timer,
Live 0x0000000000000000 (F)
microcode 23518 0 - Live 0x0000000000000000 (F)
iwlwifi 165398 1 iwldvm, Live 0x0000000000000000
psmouse 97626 0 - Live 0x0000000000000000 (F)
serio_raw 13413 0 - Live 0x0000000000000000 (F)
cfg80211 479757 3 iwldvm,mac80211,iwlwifi, Live 0x0000000000000000
lpc_ich 21080 0 - Live 0x0000000000000000
mei_me 18421 0 - Live 0x0000000000000000
mei 77692 1 mei_me, Live 0x0000000000000000
soundcore 12680 1 snd, Live 0x0000000000000000 (F)
mac_hid 13205 0 - Live 0x0000000000000000
coretemp 13435 0 - Live 0x0000000000000000
i8k 14421 0 - Live 0x0000000000000000
lp 17759 0 - Live 0x0000000000000000 (F)
parport 42299 3 parport_pc,ppdev,lp, Live 0x0000000000000000 (F)
hid_generic 12548 0 - Live 0x0000000000000000
usbhid 53014 0 - Live 0x0000000000000000
hid 101512 2 hid_generic,usbhid, Live 0x0000000000000000
radeon 1402449 2 - Live 0x0000000000000000
i915 655752 3 - Live 0x0000000000000000
ttm 83995 1 radeon, Live 0x0000000000000000
ahci 25819 3 - Live 0x0000000000000000 (F)
libahci 31898 1 ahci, Live 0x0000000000000000 (F)
i2c_algo_bit 13413 2 radeon,i915, Live 0x0000000000000000
drm_kms_helper 52651 2 radeon,i915, Live 0x0000000000000000
drm 296739 8 radeon,i915,ttm,drm_kms_helper, Live 0x0000000000000000
wmi 19070 1 dell_wmi, Live 0x0000000000000000
video 19318 1 i915, Live 0x0000000000000000 (F)


- - Loaded driver and hardware information (/proc/ioports, /proc/iomem)

ioports:

0000-0cf7 : PCI Bus 0000:00
  0000-001f : dma1
  0020-0021 : pic1
  0040-0043 : timer0
  0050-0053 : timer1
  0060-0060 : keyboard
  0062-0062 : EC data
  0064-0064 : keyboard
  0066-0066 : EC cmd
  0070-0077 : rtc0
  0080-008f : dma page reg
  00a0-00a1 : pic2
  00c0-00df : dma2
  00f0-00ff : fpu
  0400-0403 : ACPI PM1a_EVT_BLK
  0404-0405 : ACPI PM1a_CNT_BLK
  0408-040b : ACPI PM_TMR
  0410-0415 : ACPI CPU throttle
  0420-042f : ACPI GPE0_BLK
  0430-0433 : iTCO_wdt
  0450-0450 : ACPI PM2_CNT_BLK
  0454-0457 : pnp 00:06
  0458-047f : pnp 00:04
    0460-047f : iTCO_wdt
  0500-057f : pnp 00:04
  0680-069f : pnp 00:04
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00
  1000-100f : pnp 00:04
  164e-164f : pnp 00:04
  2000-2fff : PCI Bus 0000:07
    2000-20ff : 0000:07:00.0
      2000-20ff : r8169
  3000-3fff : PCI Bus 0000:01
    3000-30ff : 0000:01:00.0
  4000-403f : 0000:00:02.0
  4040-405f : 0000:00:1f.3
  4060-407f : 0000:00:1f.2
    4060-407f : ahci
  4080-4087 : 0000:00:1f.2
    4080-4087 : ahci
  4088-408f : 0000:00:1f.2
    4088-408f : ahci
  4090-4093 : 0000:00:1f.2
    4090-4093 : ahci
  4094-4097 : 0000:00:1f.2
    4094-4097 : ahci
  fd60-fd63 : pnp 00:04
  ffff-ffff : pnp 00:04
    ffff-ffff : pnp 00:04

iomem
00000000-00000fff : reserved
00001000-00087fff : System RAM
00088000-000bffff : reserved
  000a0000-000bffff : PCI Bus 0000:00
000c0000-000c3fff : PCI Bus 0000:00
000c4000-000c7fff : PCI Bus 0000:00
000c8000-000cbfff : PCI Bus 0000:00
000cc000-000cffff : PCI Bus 0000:00
000d0000-000d3fff : PCI Bus 0000:00
000d4000-000d7fff : PCI Bus 0000:00
000d8000-000dbfff : PCI Bus 0000:00
000dc000-000dffff : PCI Bus 0000:00
000e0000-000e3fff : PCI Bus 0000:00
000e4000-000e7fff : PCI Bus 0000:00
000e8000-000ebfff : PCI Bus 0000:00
000ec000-000effff : PCI Bus 0000:00
000f0000-000fffff : PCI Bus 0000:00
  000f0000-000fffff : System ROM
00100000-1fffffff : System RAM
  02000000-02707105 : Kernel code
  02707106-02d10dff : Kernel data
  02e70000-02fe3fff : Kernel bss
20000000-201fffff : reserved
  20000000-201fffff : pnp 00:0a
20200000-40003fff : System RAM
  2c000000-33ffffff : Crash kernel
40004000-40004fff : reserved
  40004000-40004fff : pnp 00:0a
40005000-8ffaffff : System RAM
8ffb0000-913affff : reserved
913b0000-99dbefff : System RAM
99dbf000-9aebefff : reserved
9aebf000-9afbefff : ACPI Non-volatile Storage
9afbf000-9affefff : ACPI Tables
9afff000-9affffff : System RAM
9b000000-9f9fffff : reserved
9fa00000-feafffff : PCI Bus 0000:00
  9fa00000-9fa00fff : pnp 00:09
  a0000000-afffffff : PCI Bus 0000:01
    a0000000-afffffff : 0000:01:00.0
  b0000000-bfffffff : 0000:00:02.0
  c0000000-c0ffffff : PCI Bus 0000:01
    c0000000-c003ffff : 0000:01:00.0
    c0040000-c005ffff : 0000:01:00.0
  c1000000-c13fffff : 0000:00:02.0
  c1400000-c14fffff : PCI Bus 0000:07
    c1400000-c1403fff : 0000:07:00.0
      c1400000-c1403fff : r8169
    c1404000-c1404fff : 0000:07:00.0
      c1404000-c1404fff : r8169
  c1500000-c15fffff : PCI Bus 0000:08
    c1500000-c1501fff : 0000:08:00.0
      c1500000-c1501fff : iwlwifi
  c1600000-c160ffff : 0000:00:14.0
    c1600000-c160ffff : xhci_hcd
  c1610000-c1613fff : 0000:00:1b.0
    c1610000-c1613fff : ICH HD audio
  c1614000-c161400f : 0000:00:16.0
    c1614000-c161400f : mei_me
  c1615000-c16150ff : 0000:00:1f.3
  c1617000-c16177ff : 0000:00:1f.2
    c1617000-c16177ff : ahci
  c1618000-c16183ff : 0000:00:1d.0
    c1618000-c16183ff : ehci_hcd
  c1619000-c16193ff : 0000:00:1a.0
    c1619000-c16193ff : ehci_hcd
  e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
    e0000000-efffffff : reserved
      e0000000-efffffff : pnp 00:09
feb00000-feb03fff : reserved
fec00000-fec00fff : reserved
  fec00000-fec003ff : IOAPIC 0
fed00000-fed003ff : HPET 0
fed10000-fed19fff : reserved
  fed10000-fed17fff : pnp 00:09
  fed18000-fed18fff : pnp 00:09
  fed19000-fed19fff : pnp 00:09
fed1c000-fed1ffff : reserved
  fed1c000-fed1ffff : pnp 00:09
    fed1f410-fed1f414 : iTCO_wdt
fed20000-fed3ffff : pnp 00:09
fed90000-fed90fff : dmar0
fed91000-fed91fff : dmar1
fee00000-fee00fff : Local APIC
  fee00000-fee00fff : reserved
ff000000-ff000fff : pnp 00:09
ffb80000-ffffffff : reserved
100000000-25f5fffff : System RAM
25f600000-25fffffff : RAM buffer


- - PCI information ('lspci -vvv' as root)

00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM
Controller (rev 09)
    Subsystem: Dell Device 05b8
    Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
    Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort+ >SERR- <PERR- INTx-
    Latency: 0
    Capabilities: [e0] Vendor Specific Information: Len=0c <?>

00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core
processor PCI Express Root Port (rev 09) (prog-if 00 [Normal decode])
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0, Cache Line Size: 64 bytes
    Bus: primary=00, secondary=01, subordinate=06, sec-latency=0
    I/O behind bridge: 00003000-00003fff
    Memory behind bridge: c0000000-c0ffffff
    Prefetchable memory behind bridge: 00000000a0000000-00000000afffffff
    Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort+ <SERR- <PERR-
    BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
        PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
    Capabilities: [88] Subsystem: Dell Device 05b8
    Capabilities: [80] Power Management version 3
        Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
        Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Address: fee002f8  Data: 0000
    Capabilities: [a0] Express (v2) Root Port (Slot+), MSI 00
        DevCap:    MaxPayload 256 bytes, PhantFunc 0, Latency L0s <64ns,
L1 <1us
            ExtTag- RBE+ FLReset-
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
            RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
            MaxPayload 256 bytes, MaxReadReq 128 bytes
        DevSta:    CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
        LnkCap:    Port #2, Speed 5GT/s, Width x8, ASPM L0s L1, Latency
L0 <256ns, L1 <8us
            ClockPM- Surprise- LLActRep- BwNot+
        LnkCtl:    ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
            ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
        LnkSta:    Speed 5GT/s, Width x8, TrErr- Train- SlotClk+
DLActive- BWMgmt+ ABWMgmt-
        SltCap:    AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug-
Surprise-
            Slot #1, PowerLimit 75.000W; Interlock- NoCompl+
        SltCtl:    Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt-
HPIrq- LinkChg-
            Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
        SltSta:    Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+
Interlock-
            Changed: MRL- PresDet+ LinkState-
        RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
CRSVisible-
        RootCap: CRSVisible-
        RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        DevCap2: Completion Timeout: Not Supported, TimeoutDis- ARIFwd-
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- ARIFwd-
        LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -3.5dB
             Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -3.5dB,
EqualizationComplete-, EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
    Capabilities: [100 v1] Virtual Channel
        Caps:    LPEVC=0 RefClk=100ns PATEntryBits=1
        Arb:    Fixed- WRR32- WRR64- WRR128-
        Ctrl:    ArbSelect=Fixed
        Status:    InProgress-
        VC0:    Caps:    PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
            Arb:    Fixed+ WRR32- WRR64- WRR128- TWRR128- WRR256-
            Ctrl:    Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
            Status:    NegoPending- InProgress-
    Capabilities: [140 v1] Root Complex Link
        Desc:    PortNumber=02 ComponentID=01 EltType=Config
        Link0:    Desc:    TargetPort=00 TargetComponent=01 AssocRCRB-
LinkType=MemMapped LinkValid+
            Addr:    00000000fed19000
    Kernel driver in use: pcieport

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core
processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
    Subsystem: Dell Device 05b8
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0
    Interrupt: pin A routed to IRQ 46
    Region 0: Memory at c1000000 (64-bit, non-prefetchable) [size=4M]
    Region 2: Memory at b0000000 (64-bit, prefetchable) [size=256M]
    Region 4: I/O ports at 4000 [size=64]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Address: fee00018  Data: 0000
    Capabilities: [d0] Power Management version 2
        Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [a4] PCI Advanced Features
        AFCap: TP+ FLR+
        AFCtrl: FLR-
        AFStatus: TP-
    Kernel driver in use: i915

00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series
Chipset Family MEI Controller #1 (rev 04)
    Subsystem: Dell Device 05b8
    Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0
    Interrupt: pin A routed to IRQ 48
    Region 0: Memory at c1614000 (64-bit, non-prefetchable) [size=16]
    Capabilities: [50] Power Management version 3
        Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
        Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Address: 00000000fee003b8  Data: 0000
    Kernel driver in use: mei_me

00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset
Family PCI Express Root Port 1 (rev c4) (prog-if 00 [Normal decode])
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0, Cache Line Size: 64 bytes
    Bus: primary=00, secondary=07, subordinate=07, sec-latency=0
    I/O behind bridge: 00002000-00002fff
    Memory behind bridge: fff00000-000fffff
    Prefetchable memory behind bridge: 00000000c1400000-00000000c14fffff
    Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort+ <SERR- <PERR-
    BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
        PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
    Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
        DevCap:    MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns,
L1 <1us
            ExtTag- RBE+ FLReset-
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
            RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
            MaxPayload 128 bytes, MaxReadReq 128 bytes
        DevSta:    CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
        LnkCap:    Port #1, Speed 5GT/s, Width x1, ASPM L0s L1, Latency
L0 <512ns, L1 <16us
            ClockPM- Surprise- LLActRep+ BwNot-
        LnkCtl:    ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
            ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
        LnkSta:    Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive+ BWMgmt+ ABWMgmt-
        SltCap:    AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug-
Surprise-
            Slot #0, PowerLimit 10.000W; Interlock- NoCompl+
        SltCtl:    Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt-
HPIrq- LinkChg-
            Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
        SltSta:    Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+
Interlock-
            Changed: MRL- PresDet+ LinkState+
        RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
CRSVisible-
        RootCap: CRSVisible-
        RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        DevCap2: Completion Timeout: Range BC, TimeoutDis+ ARIFwd-
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- ARIFwd-
        LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -6dB
             Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -3.5dB,
EqualizationComplete-, EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
    Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
        Address: 00000000  Data: 0000
    Capabilities: [90] Subsystem: Dell Device 05b8
    Capabilities: [a0] Power Management version 2
        Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Kernel driver in use: pcieport

00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset
Family PCI Express Root Port 2 (rev c4) (prog-if 00 [Normal decode])
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0, Cache Line Size: 64 bytes
    Bus: primary=00, secondary=08, subordinate=08, sec-latency=0
    I/O behind bridge: 0000f000-00000fff
    Memory behind bridge: c1500000-c15fffff
    Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
    Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- <SERR- <PERR-
    BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
        PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
    Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
        DevCap:    MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns,
L1 <1us
            ExtTag- RBE+ FLReset-
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
            RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
            MaxPayload 128 bytes, MaxReadReq 128 bytes
        DevSta:    CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
        LnkCap:    Port #2, Speed 5GT/s, Width x1, ASPM L0s L1, Latency
L0 <512ns, L1 <16us
            ClockPM- Surprise- LLActRep+ BwNot-
        LnkCtl:    ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
            ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
        LnkSta:    Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive+ BWMgmt+ ABWMgmt-
        SltCap:    AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug-
Surprise-
            Slot #1, PowerLimit 10.000W; Interlock- NoCompl+
        SltCtl:    Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt-
HPIrq- LinkChg-
            Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
        SltSta:    Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+
Interlock-
            Changed: MRL- PresDet- LinkState-
        RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
CRSVisible-
        RootCap: CRSVisible-
        RootSta: PME ReqID 0000, PMEStatus- PMEPending-
        DevCap2: Completion Timeout: Range BC, TimeoutDis+ ARIFwd-
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- ARIFwd-
        LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -6dB
             Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -3.5dB,
EqualizationComplete-, EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
    Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
        Address: 00000000  Data: 0000
    Capabilities: [90] Subsystem: Dell Device 05b8
    Capabilities: [a0] Power Management version 2
        Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Kernel driver in use: pcieport

00:1f.0 ISA bridge: Intel Corporation HM76 Express Chipset LPC
Controller (rev 04)
    Subsystem: Dell Device 05b8
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0
    Capabilities: [e0] Vendor Specific Information: Len=0c <?>
    Kernel driver in use: lpc_ich


00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family
SMBus Controller (rev 04)
    Subsystem: Dell Device 05b8
    Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
    Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Interrupt: pin C routed to IRQ 0
    Region 0: Memory at c1615000 (64-bit, non-prefetchable) [size=256]
    Region 4: I/O ports at 4040 [size=32]

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Mars [Radeon HD 8730M] (prog-if 00 [VGA controller])
    Subsystem: Dell Device 05b8
    Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0, Cache Line Size: 64 bytes
    Interrupt: pin A routed to IRQ 47
    Region 0: Memory at a0000000 (64-bit, prefetchable) [size=256M]
    Region 2: Memory at c0000000 (64-bit, non-prefetchable) [size=256K]
    Region 4: I/O ports at 3000 [size=256]
    Expansion ROM at c0040000 [disabled] [size=128K]
    Capabilities: [48] Vendor Specific Information: Len=08 <?>
    Capabilities: [50] Power Management version 3
        Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1+,D2+,D3hot+,D3cold-)
        Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
        DevCap:    MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us,
L1 unlimited
            ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
        DevCtl:    Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
            RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
            MaxPayload 256 bytes, MaxReadReq 512 bytes
        DevSta:    CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr-
TransPend-
        LnkCap:    Port #0, Speed 5GT/s, Width x8, ASPM L0s L1, Latency
L0 <64ns, L1 <1us
            ClockPM- Surprise- LLActRep- BwNot-
        LnkCtl:    ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
            ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
        LnkSta:    Speed 5GT/s, Width x8, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
        DevCap2: Completion Timeout: Not Supported, TimeoutDis-
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
        LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -6dB
             Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-,
EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
    Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Address: 00000000fee00398  Data: 0000
    Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
    Capabilities: [150 v2] Advanced Error Reporting
        UESta:    DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
        UEMsk:    DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
        UESvrt:    DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
        CESta:    RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
        CEMsk:    RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
        AERCap:    First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
    Capabilities: [270 v1] #19
    Kernel driver in use: radeon



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             reply	other threads:[~2013-10-10  9:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-10  9:48 Nicolas Devillers [this message]
2013-10-14  8:04 ` [Dell Inspiron 15R 5521] Can't toggle backlight brightness Jani Nikula
2013-10-14  8:40   ` Nicolas Devillers
2013-10-14  9:33     ` Jani Nikula
2013-10-25 11:34       ` Nicolas Devillers
2013-10-28 12:20         ` Jani Nikula
2013-10-29 10:47           ` Nicolas Devillers

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